#include "ManagedBlasProvider.h"

 /* Subroutine */int SmartMathLibrary::Blas::Engine::ManagedBlasProvider::caxpy_
   (integer *n, complex *ca, complex *cx, integer *incx, complex *cy, integer
   *incy)
{
  /* System generated locals */
  integer i__1, i__2, i__3, i__4;
  complex q__1, q__2;
  /* Local variables */
  static integer i__, ix, iy;
  //extern doublereal scabs1_(complex *);
  /*  Purpose   
  =======   
  CAXPY constant times a vector plus a vector.   
  Further Details   
  ===============   
  jack dongarra, linpack, 3/11/78.   
  modified 12/3/93, array(1) declarations changed to array(*)   
  Parameter adjustments */
  --cy;
  --cx;
  /* Function Body */
  if (*n <= 0)
  {
    return 0;
  }
  if (SmartMathLibrary::Blas::Engine::ManagedBlasProvider::scabs1_(ca) == 0.f)
  {
    return 0;
  }
  if (*incx == 1 &&  *incy == 1)
  {
    goto L20;
  }
  /*        code for unequal increments or equal increments   
  not equal to 1 */
  ix = 1;
  iy = 1;
  if (*incx < 0)
  {
    ix = ( - (*n) + 1) **incx + 1;
  }
  if (*incy < 0)
  {
    iy = ( - (*n) + 1) **incy + 1;
  }
  i__1 =  *n;
  for (i__ = 1; i__ <= i__1; ++i__)
  {
    i__2 = iy;
    i__3 = iy;
    i__4 = ix;
    q__2.r = ca->r *cx[i__4].r - ca->i *cx[i__4].i, q__2.i = ca->r *cx[i__4].i 
      + ca->i *cx[i__4].r;
    q__1.r = cy[i__3].r + q__2.r, q__1.i = cy[i__3].i + q__2.i;
    cy[i__2].r = q__1.r, cy[i__2].i = q__1.i;
    ix +=  *incx;
    iy +=  *incy;
    /* L10: */
  }
  return 0;
  /*        code for both increments equal to 1 */
  L20: i__1 =  *n;
  for (i__ = 1; i__ <= i__1; ++i__)
  {
    i__2 = i__;
    i__3 = i__;
    i__4 = i__;
    q__2.r = ca->r *cx[i__4].r - ca->i *cx[i__4].i, q__2.i = ca->r *cx[i__4].i 
      + ca->i *cx[i__4].r;
    q__1.r = cy[i__3].r + q__2.r, q__1.i = cy[i__3].i + q__2.i;
    cy[i__2].r = q__1.r, cy[i__2].i = q__1.i;
    /* L30: */
  }
  return 0;
} /* caxpy_ */
